<template>
  <div>
    <!-- 商品分类11 -->
    <el-breadcrumb separator-class="ei-icon-arrow-right" name>
  <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item><a href="/">商品管理</a></el-breadcrumb-item>
  <el-breadcrumb-item>商品分类</el-breadcrumb-item>
  </el-breadcrumb>
  <el-card>
    <el-row>
      <el-col>
        <el-button type="primary" @click="showAddcateDialog">添加分类</el-button>
      </el-col>
    </el-row>
    <tree-table class="treeTable" :data="catelist" :columns="columns" :selection-type="false" :expand-type="false" show-index index-text="#" border :show-row-hover="false">
    <template slot="isok" slot-scope="scope">
      <i class="el-icon-success" v-if="scope.row.cat_deleted === false" style="color:green"></i>
      <i class="el-icon-error" v-else style="color:red;"></i>
    </template>
    <template slot="order" slot-scope="scope">
      <el-tag size="mini" v-if="scope.row.cat_level === 0">一级</el-tag>
      <el-tag size="mini" type="success" v-else-if="scope.row.cat_level === 1">二级</el-tag>
      <el-tag size="mini" type="warning" v-else>三级</el-tag>
    </template>
    <template slot="opt" slot-scope="scope">
      <el-button type="primary" icon="el-icon-edit" size="mini">编辑</el-button>
      <el-button type="danger" icon="el-icon-edit" size="mini">删除</el-button>
    </template>
    </tree-table>
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page.sync="querInfo.pagenum"
      :page-sizes="[3,5,10,15]"
      :page-size="querInfo.pagesize"
      layout="total, sizes,prev,pager,next,jumper"
      :total="total">
    </el-pagination>
  </el-card>
  <el-dialog
  title="添加分类"
  :visible.sync="addCateDialogVisible"
  width="50%"
  @close="addCateDialogClosed"
  >
  <!-- <span>这是一段信息</span> -->
  <el-form :model="addCateForm" :rules="addCateFormRules" ref="addCateFormRef" label-width="100px">
    <el-form-item label="分类名称" prop="cat_name">
      <el-input v-model="addCateForm.cat_name"></el-input>
    </el-form-item>
    <el-form-item label="父级分类：">
      <el-cascader v-model="selectedKeys" :options="parentCateList" :props="cascaderProps" @change="parentCateChanged" clearable change-on-select>

      </el-cascader>
    </el-form-item>
  </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="dialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addCate">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>

<script>
// import { log } from 'console'

// import {getsssss} from '@/api/user'
export default {
  data() {
    return {
      querInfo: {
      type:3,
      pagenum:1,
      pagesize:5
      },
      catelist: [],
      total: 0,
      columns: [{
        label: '分类名称',
        prop:'cat_name',
      },
        {
          label: '是否有效',
          type: 'template',
        template:'isok'
        },
        {
          label: '排序',
          type: 'template',
        template:'order'
        },
        {
          label: '操作',
          type: 'template',
        template:'opt'
        }],
      addCateDialogVisible: false,
      addCateForm: {
          cat_name:'',
        cat_pid: 0,
          cat_level:0
      },
      addCateFormRules: {
        cat_name: { required: true, message: '请输入分类名称', trigger:'blur' }
      },
      parentCateList: [],
      selectedKeys:[],
      cascaderProps: {
        expandTrigger: "hover",
        value: 'cat_id',
        label: 'cat_name',
        children:'children',
      }
  }
  },
  created() {
   this.getCatelist()
},
  methods: {
  async  getCatelist() {
      const { data: res } = await this.$http.get('categories', { params: this.querInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取失败！')
      }
      this.catelist = res.data.result
      this.total=res.data.total
    },
    handleSizeChange(newPagessize) {
      this.querInfo.pagesize = newPagessize
      this.getCatelist()
    },
    handleCurrentChange(newPagenum) {
      this.querInfo.pagenum = newPagenum
      this.getCatelist()
    },
    showAddcateDialog() {
      this.getParentCateList()
      this.addCateDialogVisible = true
    },
    async getParentCateList() {
      const { data: res } = await this.$http.get('categories', { params: { type: 2 } })
      if (res.meta.status !== 200) {
        return this.$message.error('获取父级数据失败！')
      }
      this.parentCateList = res.data
    },
    parentCateChanged() {
      if (this.selectedKeys.length > 0) {
        this.addCateForm.cat_pid = this.selectedKeys[this.selectedKeys.length - 1]
        this.addCateForm.cat_level = this.selectedKeys.length
        return
      } else {
        this.addCateForm.cat_pid = 0
        this.addCateForm.cat_level = 0
      }
    },
    addCate() {
      this.$refs.addCateFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('categories', this.addCateForm)
        if (res.meta.status !== 201) {
          return this.$message.error('添加分类失败！')
        }
        this.$message.success('添加成功')
        this.getCatelist()
        this.addCateDialogVisible=false
      })
      // console.log(this.addCateForm);
    },
    addCateDialogClosed() {
      this.$refs.addCateFormRef.resetFields()
    }
  }
}
</script>

<style lang="less" scoped>
.treeTable{
  margin-top: 15px;
}
.el-cascader{
  width: 100%;
}
</style>